2403530123 has 2 divisors, whose sum is σ = 2403530124. Its totient is φ = 2403530122.

The previous prime is 2403530089. The next prime is 2403530131. The reversal of 2403530123 is 3210353042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2403530123 - 2¹⁶ = 2403464587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2403530923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201765061 + 1201765062.

It is an arithmetic number, because the mean of its divisors is an integer number (1201765062).

Almost surely, 2^2403530123 is an apocalyptic number.

2403530123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403530123 is an equidigital number, since it uses as much as digits as its factorization.

2403530123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2403530123 is about 49025.8107837086. The cubic root of 2403530123 is about 1339.5220176489.

Adding to 2403530123 its reverse (3210353042), we get a palindrome (5613883165).

The spelling of 2403530123 in words is "two billion, four hundred three million, five hundred thirty thousand, one hundred twenty-three".